:root {
  --paper:#f2f0e9;
  --ink:#171714;
  --muted:#6f6b62;
  --line:#cbc6b8;
  --panel:#f7f5ef;
  --danger:#ae2e21;
  --danger-soft:#f2d9d4;
  --good:#1d6e52;
  --good-soft:#dce9e1;
  --datahub:#3047c7;
  --datahub-soft:#e0e5ff;
  --shadow:0 18px 60px rgba(28,25,19,.08)
}
* {
  box-sizing:border-box
}
html {
  scroll-behavior:smooth
}
body {
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  -webkit-font-smoothing:antialiased
}
button {
  font:inherit
}
code,.section-label,.badge,.policy,.eyebrow,.doc-meta,.status-strip span,.trace,.terminal,.facts span,.receipt-mini,.metrics span,.ablation span,.hero-index,footer>span {
  font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono",monospace
}
.topbar {
  height:66px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 4vw;
  border-bottom:1px solid var(--line);
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(242,240,233,.93);
  backdrop-filter:blur(14px)
}
.brand {
  display:flex;
  align-items:center;
  gap:11px;
  color:var(--ink);
  text-decoration:none;
  font-weight:800;
  letter-spacing:-.02em
}
.mark {
  width:28px;
  height:28px;
  border:1px solid var(--ink);
  display:grid;
  grid-template-columns:repeat(3,1fr);
  padding:4px;
  gap:2px
}
.mark i {
  display:block;
  background:var(--ink)
}
.mark i:nth-child(2) {
  height:65%;
  align-self:end
}
.mark i:nth-child(3) {
  height:38%;
  align-self:end
}
.topmeta {
  display:flex;
  align-items:center;
  gap:18px;
  font-size:11px
}
.policy {
  color:var(--muted)
}
.health-dot {
  width:8px;
  height:8px;
  border-radius:50%;
  background:#9f9a90;
  box-shadow:0 0 0 4px rgba(100,100,100,.09)
}
.health-dot.ok {
  background:var(--good);
  box-shadow:0 0 0 4px rgba(29,110,82,.12)
}
.health-dot.bad {
  background:var(--danger);
  box-shadow:0 0 0 4px rgba(211,65,47,.12)
}
.badge {
  border:1px solid currentColor;
  border-radius:99px;
  padding:6px 9px;
  font-size:9px;
  letter-spacing:.08em;
  font-weight:700;
  white-space:nowrap
}
.badge.datahub {
  color:var(--datahub);
  background:var(--datahub-soft)
}
.badge.good {
  color:var(--good);
  background:var(--good-soft)
}
.badge.danger {
  color:var(--danger);
  background:var(--danger-soft)
}
.hero {
  min-height:650px;
  padding:108px 4vw 78px;
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  display:flex;
  flex-direction:column;
  justify-content:center
}
.arena {
  position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; display: block; pointer-events: none;
}
@media (prefers-reduced-motion: reduce) { .arena { display: none; } }
.hero.arena-on .hero-copy::before, .hero.arena-on h1::before {
  content: ""; position: absolute; z-index: -1; inset: -28px -48px;
  background: radial-gradient(105% 85% at 28% 45%, rgba(242,240,233,.85) 0%, rgba(242,240,233,.5) 44%, transparent 78%);
}
.hero:after {
  content:"";
  position:absolute;
  width:570px;
  height:570px;
  border:1px solid var(--line);
  border-radius:50%;
  right:-80px;
  top:32px;
  box-shadow:0 0 0 54px var(--paper),0 0 0 55px var(--line),0 0 0 118px var(--paper),0 0 0 119px var(--line);
  opacity:.6;
  pointer-events:none
}
.eyebrow {
  font-size:10px;
  letter-spacing:.2em;
  margin-bottom:26px;
  position:relative;
  z-index:1
}
.hero h1 {
  font-family:Georgia,"Times New Roman",serif;
  font-weight:400;
  font-size:clamp(72px,9.2vw,154px);
  line-height:.82;
  letter-spacing:-.065em;
  margin:0;
  max-width:1200px;
  position:relative;
  z-index:1
}
.hero h1 em {
  font-weight:400;
  color:var(--danger)
}
.hero-copy {
  font-size:17px;
  line-height:1.6;
  max-width:680px;
  margin:38px 0 0;
  color:#4f4b44;
  position:relative;
  z-index:1
}
.hero-actions {
  display:flex;
  align-items:center;
  gap:28px;
  margin-top:38px;
  position:relative;
  z-index:2
}
.run-button {
  appearance:none;
  border:0;
  background:var(--ink);
  color:white;
  min-width:250px;
  padding:16px 20px;
  display:flex;
  align-items:center;
  text-align:left;
  gap:15px;
  cursor:pointer;
  box-shadow:var(--shadow);
  transition:transform .18s ease,opacity .18s
}
.run-button:hover {
  transform:translateY(-2px)
}
.run-button:disabled {
  opacity:.6;
  cursor:wait;
  transform:none
}
.run-button .play {
  width:34px;
  height:34px;
  border:1px solid #5d5b55;
  border-radius:50%;
  display:grid;
  place-items:center;
  font-size:11px
}
.run-button b {
  display:block;
  font-size:11px;
  letter-spacing:.08em
}
.run-button small {
  display:block;
  margin-top:4px;
  color:#aaa69c;
  font-size:9px
}
.hero-proof {
  border-left:1px solid var(--line);
  padding-left:26px;
  display:flex;
  flex-direction:column;
  gap:4px
}
.hero-proof strong {
  font-size:10px;
  letter-spacing:.12em
}
.hero-proof span {
  font-size:11px;
  color:var(--muted)
}
.hero-index {
  position:absolute;
  right:4vw;
  bottom:28px;
  font-size:9px;
  color:var(--muted);
  letter-spacing:.16em
}
.status-strip {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border-bottom:1px solid var(--line);
  background:#eae7de
}
.status-strip>div {
  padding:18px 4vw;
  border-right:1px solid var(--line);
  min-width:0
}
.status-strip>div:last-child {
  border-right:0
}
.status-strip span {
  display:block;
  font-size:8px;
  letter-spacing:.13em;
  color:var(--muted);
  margin-bottom:6px
}
.status-strip strong,.status-strip code {
  font-size:11px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  display:block
}
.triptych {
  display:grid;
  grid-template-columns:1fr 1fr 1fr;
  border-bottom:1px solid var(--line)
}
.panel {
  padding:0 30px 30px;
  border-right:1px solid var(--line);
  min-width:0;
  min-height:670px;
  background:var(--panel);
  transition:background .4s,box-shadow .4s
}
.panel:last-child {
  border-right:0
}
.panel.active {
  background:#fff;
  box-shadow:inset 0 3px 0 var(--danger)
}
.panel-head {
  min-height:160px;
  padding:30px 0 22px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  border-bottom:1px solid var(--line)
}
.section-label {
  font-size:8px;
  letter-spacing:.16em;
  color:var(--muted);
  font-weight:700
}
.panel h2,.trace-copy h2,.compare h2,.memory h2,.evidence h2 {
  font-family:Georgia,"Times New Roman",serif;
  font-weight:400;
  letter-spacing:-.04em
}
.panel h2 {
  font-size:31px;
  line-height:1.04;
  margin:16px 0 0;
  max-width:390px
}
.doc {
  padding:22px 0;
  border-bottom:1px solid var(--line)
}
.doc-meta {
  display:flex;
  justify-content:space-between;
  font-size:8px;
  letter-spacing:.12em;
  margin-bottom:12px;
  color:var(--muted)
}
.doc h3 {
  font-size:13px;
  margin:0 0 11px
}
.document-copy {
  font-size:12px;
  line-height:1.7;
  color:#58544d;
  margin:0
}
.doc mark {
  background:var(--danger-soft);
  color:#8f261a;
  padding:1px 3px;
  border-bottom:1px solid var(--danger)
}
.digest-row {
  margin-top:15px;
  font-size:9px;
  color:var(--muted);
  display:flex;
  justify-content:space-between;
  gap:10px
}
.digest-row code {
  font-size:8px;
  overflow:hidden;
  text-overflow:ellipsis
}
.safe {
  opacity:.82
}
.skeleton {
  height:100px;
  background:linear-gradient(100deg,#e8e5dc 30%,#f6f4ee 50%,#e8e5dc 70%);
  background-size:200% 100%;
  animation:shimmer 1.4s infinite
}
.graph-card {
  padding:30px 0 8px
}
#graph3d {
  width: 100%;
  height: 310px;
  overflow: hidden;
  border-radius: 12px;
  background: var(--paper);
  box-shadow: inset 0 2px 10px rgba(0,0,0,0.02);
  cursor: grab;
}
#graph3d:active {
  cursor: grabbing;
}
.node-label {
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 4px;
  background: rgba(23, 23, 20, 0.85);
  color: #fff;
  pointer-events: none;
  white-space: nowrap;
  backdrop-filter: blur(4px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
.node-kicker {
  font-size: 8px;
  color: #bdb9af;
  font-family: ui-monospace, monospace;
  letter-spacing: .12em;
  display: block;
  margin-bottom: 2px;
}
.facts {
  display:grid;
  grid-template-columns:1fr 1fr;
  border:1px solid var(--line);
  margin-top:12px
}
.facts div {
  padding:14px;
  border-right:1px solid var(--line);
  border-bottom:1px solid var(--line);
  min-width:0
}
.facts div:nth-child(2n) {
  border-right:0
}
.facts div:nth-last-child(-n+2) {
  border-bottom:0
}
.facts span {
  display:block;
  font-size:7px;
  letter-spacing:.1em;
  color:var(--muted);
  margin-bottom:6px
}
.facts strong,.facts code {
  font-size:10px;
  display:block;
  overflow:hidden;
  text-overflow:ellipsis
}
.verdict {
  padding:30px 0;
  border-bottom:1px solid var(--line)
}
.verdict>span {
  font:700 8px ui-monospace,monospace;
  color:var(--muted);
  letter-spacing:.15em
}
.verdict strong {
  display:block;
  font-family:Georgia,serif;
  font-size:64px;
  letter-spacing:-.06em;
  color:var(--danger);
  line-height:.95;
  margin:12px 0
}
.verdict p {
  font-size:12px;
  line-height:1.6;
  color:var(--muted)
}
.rule-grid {
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  padding:20px 0
}
.rule-grid span {
  border:1px solid var(--danger);
  color:var(--danger);
  padding:7px 9px;
  font:700 9px ui-monospace,monospace
}
.gate {
  display:flex;
  align-items:center;
  gap:12px;
  border:1px solid var(--line);
  padding:14px
}
.gate-icon {
  width:34px;
  height:34px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:var(--danger);
  color:white;
  font-size:21px
}
.gate>div:nth-child(2) {
  min-width:0;
  flex:1
}
.gate strong,.gate span {
  display:block;
  font-size:10px
}
.gate span {
  font-size:9px;
  color:var(--muted);
  margin-top:3px
}
.gate .badge {
  flex:none
}
.receipt-mini {
  margin-top:16px;
  background:var(--ink);
  color:#fff;
  padding:16px;
  display:grid;
  gap:7px
}
.receipt-mini>span {
  font-size:8px;
  color:#aaa69c;
  letter-spacing:.12em
}
.receipt-mini code {
  font-size:8px;
  color:#fff;
  overflow:hidden;
  text-overflow:ellipsis
}
.receipt-mini small {
  font-size:8px;
  color:#aaa69c
}
.trace-section {
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  gap:8vw;
  padding:86px 4vw;
  border-bottom:1px solid var(--line)
}
.trace-copy h2 {
  font-size:52px;
  line-height:1;
  margin:16px 0
}
.trace-copy p {
  color:var(--muted);
  font-size:13px;
  line-height:1.7;
  max-width:520px
}
.trace {
  border-top:1px solid var(--line)
}
.trace-row {
  display:grid;
  grid-template-columns:20px 1fr minmax(40px,160px);
  align-items:center;
  gap:10px;
  padding:11px 0;
  border-bottom:1px solid var(--line);
  font-size:9px;
  opacity:.32;
  transition:opacity .25s,transform .25s;
  transform:translateX(5px)
}
.trace-row.seen {
  opacity:1;
  transform:none
}
.trace-row code {
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  text-align:right;
  color:var(--muted)
}
.trace-dot {
  width:6px;
  height:6px;
  border-radius:50%;
  background:#aaa59b
}
.trace-row.seen .trace-dot {
  background:var(--good);
  box-shadow:0 0 0 4px var(--good-soft)
}
.trace-empty {
  padding:28px 0;
  color:var(--muted);
  font-size:10px
}
.compare {
  padding:82px 4vw;
  border-bottom:1px solid var(--line)
}
.compare-head {
  display:flex;
  align-items:end;
  justify-content:space-between;
  margin-bottom:34px
}
.compare h2 {
  font-size:54px;
  margin:15px 0 0
}
.compare-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  border:1px solid var(--line)
}
.compare-card {
  padding:32px;
  min-height:260px
}
.compare-card+article {
  border-left:1px solid var(--line)
}
.compare-card>span {
  font:700 8px ui-monospace,monospace;
  letter-spacing:.13em
}
.compare-card.bad>span {
  color:var(--danger)
}
.compare-card.good>span {
  color:var(--good)
}
.compare-card h3 {
  font-family:Georgia,serif;
  font-weight:400;
  font-size:30px;
  letter-spacing:-.035em;
  max-width:510px
}
.terminal {
  background:var(--ink);
  color:#f3f0e7;
  padding:16px;
  font-size:10px;
  line-height:1.9;
  margin:24px 0
}
.terminal i {
  color:#a4a096
}
.compare-card.bad .terminal b {
  color:#ff8b79
}
.compare-card.good .terminal b {
  color:#85d0af
}
.compare-card p {
  font-size:11px;
  color:var(--muted);
  line-height:1.65
}
.memory {
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:10vw;
  align-items:center;
  padding:90px 4vw;
  border-bottom:1px solid var(--line);
  background:#e9e6dc
}
.memory h2 {
  font-size:56px;
  margin:18px 0
}
.memory p {
  font-size:13px;
  line-height:1.7;
  color:var(--muted);
  max-width:620px
}
.memory-proof {
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  gap:10px
}
.memory-ring {
  width:106px;
  height:106px;
  border:1px solid var(--good);
  border-radius:50%;
  display:grid;
  place-items:center;
  font-size:35px;
  color:var(--good);
  box-shadow:0 0 0 12px var(--good-soft)
}
.memory-proof strong {
  font-family:Georgia,serif;
  font-size:26px;
  font-weight:400
}
.memory-proof code {
  font-size:8px;
  max-width:280px;
  overflow:hidden;
  text-overflow:ellipsis
}
.memory-proof small {
  font:8px ui-monospace,monospace;
  color:var(--muted)
}
.evidence {
  padding:88px 4vw;
  border-bottom:1px solid var(--line)
}
.evidence-title h2 {
  font-size:58px;
  margin:16px 0
}
.evidence-title p {
  font-size:12px;
  color:var(--muted);
  max-width:700px;
  line-height:1.7
}
.metrics {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border:1px solid var(--line);
  margin-top:38px
}
.metrics div {
  padding:28px;
  border-right:1px solid var(--line)
}
.metrics div:last-child {
  border-right:0
}
.metrics strong {
  font-family:Georgia,serif;
  font-size:45px;
  font-weight:400;
  display:block;
  letter-spacing:-.05em
}
.metrics span {
  font-size:8px;
  letter-spacing:.08em;
  color:var(--muted)
}
.ablation {
  margin-top:18px;
  display:grid;
  grid-template-columns:130px 100px 1fr minmax(100px,220px);
  gap:20px;
  align-items:center;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:18px 0
}
.ablation>span {
  font-size:8px;
  letter-spacing:.1em
}
.ablation>strong {
  font-family:Georgia,serif;
  font-size:38px;
  color:var(--good)
}
.ablation p {
  font-size:10px;
  color:var(--muted);
  line-height:1.55
}
.ablation code {
  font-size:8px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis
}
.preflight {
  padding:84px 4vw;
  display:grid;
  grid-template-columns:130px 1fr;
  gap:40px
}
.preflight>span {
  font:700 8px ui-monospace,monospace;
  letter-spacing:.12em
}
.preflight p {
  font-family:Georgia,serif;
  font-size:34px;
  line-height:1.3;
  max-width:950px;
  margin:0;
  letter-spacing:-.035em
}
footer {
  padding:34px 4vw;
  display:grid;
  grid-template-columns:1fr 2fr 1fr;
  gap:30px;
  align-items:center;
  border-top:1px solid var(--line)
}
footer p {
  font-size:10px;
  line-height:1.6;
  color:var(--muted);
  max-width:650px
}
footer>span {
  text-align:right;
  font-size:8px;
  color:var(--muted)
}
.counterfactual {
  margin-top:18px;
  border:1px solid var(--line);
  padding:18px 20px;
  display:grid;
  grid-template-columns:1.4fr .8fr 30px .9fr 2fr;
  gap:16px;
  align-items:center;
  background:#ebe8df
}
.counterfactual>span,.counterfactual code {
  font:700 8px ui-monospace,monospace;
  letter-spacing:.1em;
  color:var(--muted)
}
.counterfactual div {
  display:grid;
  gap:5px
}
.counterfactual strong {
  font-family:Georgia,serif;
  font-size:24px;
  font-weight:400
}
.counterfactual div:nth-of-type(1) strong {
  color:#8d6717
}
.counterfactual div:nth-of-type(2) strong {
  color:var(--danger)
}
.counterfactual>b {
  text-align:center;
  color:var(--muted)
}
.counterfactual p {
  font-size:10px;
  line-height:1.55;
  color:var(--muted);
  margin:0
}
@keyframes dash {
  to {
    stroke-dashoffset:-100
  }
}
@keyframes pulse {
  0% {
    opacity:.8;
    transform:scale(.75)
  }
  100% {
    opacity:0;
    transform:scale(1.35)
  }
}
@keyframes shimmer {
  to {
    background-position:-200% 0
  }
}
@media(max-width:1050px) {
  .triptych {
    grid-template-columns:1fr
  }
  .panel {
    border-right:0;
    border-bottom:1px solid var(--line);
    min-height:auto
  }
  .status-strip,.metrics {
    grid-template-columns:1fr 1fr
  }
  .trace-section,.memory {
    grid-template-columns:1fr
  }
  .hero:after {
    opacity:.35
  }
  .ablation {
    grid-template-columns:100px 80px 1fr
  }
  .ablation code {
    display:none
  }
  footer {
    grid-template-columns:1fr
  }
  footer>span {
    text-align:left
  }
}
@media(max-width:680px) {
  .topbar {
    padding:0 20px
  }
  .policy {
    display:none
  }
  .hero {
    padding:82px 22px 62px;
    min-height:590px
  }
  .hero h1 {
    font-size:64px
  }
  .hero-copy {
    font-size:14px
  }
  .hero-actions {
    align-items:stretch;
    flex-direction:column
  }
  .run-button {
    width:100%
  }
  .hero-proof {
    border-left:0;
    padding-left:0
  }
  .status-strip {
    grid-template-columns:1fr
  }
  .status-strip>div {
    border-right:0;
    border-bottom:1px solid var(--line);
    padding-left:22px
  }
  .panel,.trace-section,.compare,.memory,.evidence,.preflight {
    padding-left:22px;
    padding-right:22px
  }
  .panel-head .badge {
    display:none
  }
  .trace-section {
    gap:30px
  }
  .compare h2,.trace-copy h2,.memory h2,.evidence-title h2 {
    font-size:40px
  }
  .compare-grid {
    grid-template-columns:1fr
  }
  .compare-card+article {
    border-left:0;
    border-top:1px solid var(--line)
  }
  .metrics {
    grid-template-columns:1fr
  }
  .metrics div {
    border-right:0;
    border-bottom:1px solid var(--line)
  }
  .ablation {
    grid-template-columns:1fr
  }
  .counterfactual {
    grid-template-columns:1fr
  }
  .counterfactual>b {
    display:none
  }
  .preflight {
    grid-template-columns:1fr
  }
  .preflight p {
    font-size:27px
  }
  footer {
    padding:30px 22px
  }
}
@media(prefers-reduced-motion:reduce) {
  *,*:before,*:after {
    animation:none!important;
    transition:none!important;
    scroll-behavior:auto!important
  }
}